TAILREP — SIMPLE WORKOUT LOG
Workout logging,
kept simple.
A workout log built to keep your phone out of your hands at the gym. Pull up a past workout or a routine and the weights and reps come with it, so you start where you left off. Progress is tallied from your log automatically.
No sign-up needed. To sync across devices,.
- exercises built in (add your own)
- 400+
- exercises built in (add your own)
- ways to log (weight×reps, bodyweight, time, distance…)
- 7
- ways to log (weight×reps, bodyweight, time, distance…)
- calculated automatically
- e1RM
- calculated automatically
Bench Press
0kg×8rep
Every set you log is drawn on the chart automatically
There's a reason logging sticks.
One tap to log
Pull up the same workout from your history or a routine and last time's sets come with it. Tap +/− to adjust what changed, tick the box — the rest timer starts on its own.
Progress at a glance
e1RM, weekly volume, and PRs are tallied automatically. Rearrange widgets into your own analysis dashboard.
Never hunt for exercises
400+ exercises built in, searchable by aliases and English names — and you can add your own. Save go-to menus as routines.

Log faster than you can think
- Load a past workout or a routine and last time's sets come pre-filled
- Ticking a set starts the rest timer automatically
- Beyond weight×reps: bodyweight, weighted, timed holds and distance. Per-side logging too
- Set default weight and reps per exercise, then fine-tune with +/−
- Notes per exercise and per set, pinned notes carry over

Numbers keep you coming back
- e1RM computed automatically, with NEW badges on fresh PRs
- Weekly volume stacked by muscle group
- A training calendar shows your consistency at a glance
- Rearrange widgets freely; splitting across pages is Pro

Preparation is just opening the app
- 400+ exercises built in, searchable by aliases and English names
- Missing one? Add your own, with muscle group, equipment and logging format
- Filter by muscle group, equipment, favorites, or frequency
- Save go-to menus as routines, with example programs included
- Per-exercise trend charts and PRs, always at hand
How is this different from typical workout apps?
* Compared with tendencies commonly seen in workout log apps; not a comparison with any specific app.
Pricing
Logging and browsing your history stay free and unlimited. No ads either.
Free
0円
Unlimited logging. Analysis covers the last 3 months
Pro
- $24.99 / year
- $2.99 / month
Full-history analysis, and no limits on routines, custom exercises, or dashboards
Tax included. 7-day free trial
The table stakes, done right
- Installable to your home screen (PWA)
- Sync and back up across devices with Google sign-in
- kg / lbs unit switching
- Japanese and English
- Follows your device's dark mode automatically
- Per-exercise defaults for weight, reps, and rest
Thirty seconds to start.
- 1
Open
No install. It runs right here in your browser.
- 2
Log
Your data stays on this device.
- 3
Sync (optional)
Sign in with Google to sync and back up across devices.